ALTR your expectations of fitness. ALTR. Expertise of a personal trainer delivered in a highly intensive group setting. A workout in it's own class. Fifty minutes of physical and mental intensity. Transcendent lighting, sound and energy. A heart pumping, immersive experience that awakens. ALTR is where it happens. Energy. Willpower. Results. Smash plateaus and break through boundaries with workouts expertly designed to leverage the science of HIIT. ALTR. Awakened Performance.